APA (7. basım) Alıntı

Villablanca, R. E. (1976). Suggested test items for elementary school science IV developed by the University of the Philippines Science Education Center.

Chicago Style (17. basım) Atıf

Villablanca, Rolando Enerez. Suggested Test Items for Elementary School Science IV Developed by the University of the Philippines Science Education Center. 1976.

MLA (9th ed.) Atıf

Villablanca, Rolando Enerez. Suggested Test Items for Elementary School Science IV Developed by the University of the Philippines Science Education Center. 1976.